3D printed Sm-doped ceria composite electrolyte membrane for low temperature solid oxide fuel cells
By Feng, Zuying; Liu, Liang; Li, Lingyao; Chen, Jiahe; Liu, Yuhong; Li, Yan; Hao, Liang; Wu, Yan
Published in International Journal of Hydrogen Energy
2019
Abstract
Three dimensional (3D) printing has attracted much more interest from the research community due to its ability to make complex structures with high resolution and simplified fabrication process. Here we constructed composited electrolyte with certain thickness for the application of low temperature of solid oxide fuel cells. The fabrication of a thin and dense Sm-doped ceria composite electrolyte layers with the thickness about 1200 ?m utilizing paraffin-based slurry were investigated. To optimize the assembled cells, 1.7 wt. % glassfiber was introduced and an amazing electrochemical performance was observed. The maximum power density can reach 448 mW/cm2, 20% higher than the one without glassfiber and the open-circuit voltage is approximately 1.0 V at 550
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